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Table 1 Participant demographics

From: Decomposition of Reaching Movements Enables Detection and Measurement of Ataxia

  Control Ataxia Parkinsonism
N 34 88 (total)
4 SCA-1, 2 SCA-2,
11 SCA-3, 7 SCA-6,
10 other SCA, 7 A-T, 3 FA,
7 MSA-C, 1 PSP-C, 3 HSP,
4 AIA, 1 BD, 1 HE, 2 EA,
2 ARCA-1, 1 ARCA-3,
1 CH, 3 DN, 2 SA,
1 FXTAS, 1 GHS,
1 LCHND, 1 SRA, 3 TA,
2 SAOA, 5 SAOAN,
2 ADCA
44 (total)
42 idiopathic PD,
1 MSA-P, 1 PSP
Age 21–86
(M ± SD 39.0 ± 18.2)
5–78
(M ± SD 54.4 ± 18.5)
45–85
(M ± SD 67.5 ± 8.2)
Sex 13 male,
21 female
47 male,
41 female
31 male,
13 female
Handedness 33 right,
1 left
78 right,
9 left,
1 ambidextrous
41 right,
3 left
Disease Severity
(total clinical score on BARS [ataxia] or UPDRS [parkinsonism])
  0–24
(M ± SD 10.5 ± 5.4)
3–51
(M ± SD 16.3 ± 9.1)
  1. M mean; SD standard deviation; UPDRS Unified Parkinson’s Disease Rating Scale (Part III Motor Examination); BARS Brief Ataxia Rating Scale; SCA spinocerebellar ataxia; A-T Ataxia-Telangiectasia; FA Friedreich’s Ataxia; MSA-C multiple system atrophy, cerebellar type; MSA-P multiple system atrophy, parkinsonian type; PSP-C progressive supranuclear palsy, cerebellar-dominant; PSP progressive supranuclear palsy; HSP hereditary spastic paraplegia; AIA autoimmune-related ataxia with undefined cause; BD Behcet’s Disease; HE Hashimoto’s Encephalopathy; EA episodic ataxia; ARCA autosomal recessive cerebellar ataxia; CH cerebellar hypoplasia; DN Downbeat Nystagmus with mild ataxia; SA sensory ataxia; FXTAS Fragile X-Associated Tremor/Ataxia Syndrome; GHS Gordon Holmes’ Syndrome; LCHND LCH-related neurodegeneration; SRA stroke-related ataxia; TA transient ataxia, later resolved; SAOA sporadic adult-onset ataxia; SAOAN sporadic adult-onset ataxia with neuropathy; ADCA autosomal dominant cerebellar ataxia with unidentified genetic cause; PD Parkinson’s Disease